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2006 Mercedes-Benz E-Class Recalls, Problems & Maintenance

The 2006 Mercedes-Benz E-Class has no open NHTSA recalls. Owners report 6 recurring issue clusters, led by “Fuel tank and sending unit leak.” Mercedes-Benz alternates two service events: Service A (oil, filter, inspection) at roughly 10,000 miles or 1 year, then Service B (Service A plus brake fluid, cabin filter, and deeper checks) at roughly 20,000 miles or 2 years — the ASSYST Plus counter in the cluster tells you which is due. Oil must carry the MB-Approval number your engine specifies (commonly 229.5, or 229.71 for newer 0W-20 engines); 'meets or exceeds' marketing language is not an approval. Electric EQB and EQS models keep the A/B rhythm for inspections, brake fluid, and cabin filters — just without oil.

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No open recalls on file. NHTSA lists no unrepaired safety recalls for this year, make and model. A recall can be issued at any time, and a specific car can still have one open — check yours by VIN at nhtsa.gov/recalls.

Known issues & problems for this vehicle

What drivers and federal regulators have officially reported about the 2006 Mercedes-Benz E-Class.

Reported to NHTSA

Fuel tank and sending unit leak

FUEL/PROPULSION SYSTEM

68 NHTSA complaints · 2015-02 → 2026-03

“The contact owns a 2006 Mercedes-Benz E350. The contact stated while the vehicle was stationary, she started to smell an abnormal fuel odor from the rear driver’s side seat. The contact stated there was no warning light illuminated”
— Owner report, NHTSA ODI #11421151
“AFTER FILLING UP THE CAR WITH GASOLINE, I CAN SMELL THE DISTINCT ODOR OF GASOLINE FROM OUTSIDE THE VEHICLE AROUND THE REAR PASSENGER DOOR AREA (DRIVER'S SIDE). I BELIEVE THAT FUEL IS LEAKING FROM THE FUEL FILTER SENDER UNIT, WHICH IS LOCATED UNDER THE BACKSEAT”
— Owner report, NHTSA ODI #10726469
“TL* THE CONTACT OWNS A 2006 MERCEDES BENZ E350. THE CONTACT STATED THAT A STRONG FUEL ODOR WAS PRESENT INSIDE AND OUTSIDE THE VEHICLE. THE CONTACT STATED THAT THE FAILURE OCCURRED WHEN THE VEHICLE WAS REFUELED”
— Owner report, NHTSA ODI #11006356

Read all complaints on NHTSA →

Balance shaft and timing chain wear (M272/M273 engine)

ENGINE

16 NHTSA complaints · 2015-03 → 2024-08

“MERCEDES-BENZ V6 M272 ENGINES HAVE TIMING CHAIN PROBLEMS CAUSED BY BALANCE SHAFT FAILURES WHICH MERCEDES HAS KNOWN ABOUT FOR YEAR”
— Owner report, NHTSA ODI #11220256
“THE ENGINE LIGHT INDICATOR CAME ON AND WAS CHECKED AT THE DEARLERSHIP AND SHOWED TO REPLACE SHAFT. IT SEEMED A LOT OF PROBLEMS WITH SAME INDICATION. COST TO REPAIR WAS QUOTED AT $5,500”
— Owner report, NHTSA ODI #10933893
“I HAVE CHECK ENGINE LIGHT ON, NOBODY "MECHANIC" KNOW TO FIX THIS PROBLEM”
— Owner report, NHTSA ODI #11055077

Read all complaints on NHTSA →

Panoramic sunroof detachment

VISIBILITY

11 NHTSA complaints · 2020-01 → 2025-10

“TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ E350. THE CONTACT STATED THAT WHILE DRIVING 70 MPH, THE SUN ROOF DETACHED WITHOUT WARNING”
— Owner report, NHTSA ODI #11365509
“VEHICLE SUNROOF FLEW OFF ON THE FREEWAY”
— Owner report, NHTSA ODI #11310450
“The contact's son owns a 2006 Mercedes-Benz E350. The contact stated that while his son was driving at an undisclosed speed, the sunroof detached and shattered on the roadway”
— Owner report, NHTSA ODI #11694784

Read all complaints on NHTSA →

Sensotronic Brake Control (SBC) system failure

SERVICE BRAKES

54 NHTSA complaints · 2015-04 → 2025-12

“CATASTROPHIC SBC SYSTEM FAILURE. DRIVING ON THE TURNPIKE AT 65 MPH SUDDENLY BRAKES STOPPED FUNCTIONING AT ALL, DASHBOARD TURNED RED WITH THE MESSAGE SBC FAILURE, DEPRESS BRAKE PEDAL IN FULL, BUT THERE WAS NO BRAKING POWER AT ALL”
— Owner report, NHTSA ODI #10714650
“CAR BRAKES WENT OUT WHILE DRIVING ON FREEWAY 65 MPH. SBC RED LIGHT WENT OFF AND CAR BRAKE WAS FULLY DEPRESSED ALL THE WAY TO THE FLOOR AND BRAKING TOOK TOO LONG. CAR DISPLAY ERROR MESSAGE WAS BRAKING POWER DECREASED”
— Owner report, NHTSA ODI #11208434
“The contact called on behalf of the owner of a 2006 Mercedes-Benz E350. The contact stated that while his mother was driving at an undisclosed speed and approaching a traffic light, the brake pedal was depressed; however, the brakes failed to function as intended”
— Owner report, NHTSA ODI #11695309

Read all complaints on NHTSA →

Airbag deployment without collision

AIR BAGS

9 NHTSA complaints · 2015-11 → 2025-01

“My father and mother were driving back home on the evening of 1/29/25 when all of a sudden they heard a loud pop/explosion and their seat belts tightened. They were traveling at a speed of approximately 35 mph on local roads”
— Owner report, NHTSA ODI #11639842
“MY AIRBAGS SELF DEPLOYED WHILE I WAS DRIVING. I HAD JUST LEFT WORK AND DRIVING NORTHBOUND ON THE WEST SAM HOUSTON TOLLWAY APPROACHING THE TOLL STATION AT HIGHWAY SPEEDS”
— Owner report, NHTSA ODI #11021798
“THE MANUFACTURER DID NOT NOTIFY ME OF THE RECALL AS A REGISTERED OWNER AND THE RECALL EXPIRED AND THEY WILL NOT COVER IT”
— Owner report, NHTSA ODI #10836703

Read all complaints on NHTSA →

Transmission conductor plate sensor / limp mode

POWER TRAIN

7 NHTSA complaints · 2015-03 → 2020-01

“THE TRANSMISSION CONDUCTOR PLATE SENSOR IS DEFECTIVE. I WAS STUCK IN EITHER FIRST OR SECOND GEAR. I LEARN THAT IT WAS IN LIMP MODE”
— Owner report, NHTSA ODI #10956957
“AT 73,480 MILES THIS 2006 MERCEDES HAS A FAULTY CONDUCTOR PLATE VALVE THAT NEEDS TO BE REPLACED. THIS FAULTY CONDUCTOR PLATE/SPEED SENSOR CAUSES THE CAR NOT TO SHIFT FROM 1ST TO 2ND GEAR AND INSTEAD SPINS WITHOUT GOING INTO GEAR”
— Owner report, NHTSA ODI #10950131
“CARS WILL NOT SHIFT. IT WONT GO PASS 3RD GEAR AND ALMOST CRASHED. BROUGHT CAR TO DEALER AND PER DEALER, CAR IS KNOWN TO HAVE THE PROBLEM BUT NOT RECALL”
— Owner report, NHTSA ODI #10960122

Read all complaints on NHTSA →

Issues on other model years

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 20, 2026. Investigation data refreshed Sep 20, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Raw data + downloads for this vehicle →

Essential maintenance

Critical for safety and preventing major damage

Service A — Oil & Filter + Inspection

Every 10,000 mi

Every 10,000 miles or 12 months: oil and filter with MB-Approved oil, fluid top-offs, tire check, and inspection. AMG models driven hard: many owners service at 5,000-7,500 miles.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Service B — Major Inspection

Every 20,000 mi

Every 20,000 miles or 2 years, alternating with Service A: everything in A plus brake-fluid replacement, cabin filter, and a deeper multi-point inspection of brakes, suspension, and driveline.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free with any paid service. A flashlight and 10 minutes covers the basics yourself.

Tire Rotation

Every 10,000 mi

Rotate at every Service A where the tire sizes allow. Many AMG and 4MATIC+ models run staggered widths that can't rotate front-to-rear — check your spec before paying for a rotation.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 10,000 mi

Checked at every A/B service via electronic pad-wear sensors. Replace sensors with pads. Heavy EQS models wear pads slowly (regen braking) but rotors can corrode from disuse — an inspection catches that.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Brake Fluid

Every 20,000 mi

Replaced every 2 years as part of Service B — Mercedes schedules it on time, not miles, because DOT 4 fluid absorbs moisture regardless of driving.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Automatic Transmission Fluid (7G / 9G-Tronic)

Every 70,000 mi

Mercedes specifies fluid and filter service around 70,000 miles on most 7G- and 9G-Tronic gearboxes — check your year's sheet. Use only the MB-spec fluid for your transmission code; independent specialists often service at 60,000 on hard-driven cars.

Estimated cost — typical U.S. ranges

Dealer

~$330–$500

Shop

~$235–$355

DIY

~$60–$180

Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.

Spark Plugs

Every 60,000 mi

Most modern MB gas engines: plugs around 60,000 miles — AMG engines often sooner. Check your engine's sheet; twin-turbo V8 plug jobs are labor-heavy, so pair with other scheduled work.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

Engine Air Filter

Every 40,000 mi

Replace around every 40,000 miles (twin-filter setups on V6/V8 engines double the parts bill). Inspected at every Service B.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Combination / Dust Filter

Every 20,000 mi

Replaced with every Service B. Models with the ENERGIZING air package use a higher-grade filter — priced accordingly.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.

Engine Coolant

On condition / lifetime

MB-spec coolant is long-life (typically ~10 years / 150,000 miles on the sheet). Refresh only with MB 325/326-spec coolant — the wrong chemistry attacks aluminum and head gaskets.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

12V & Auxiliary Battery

Every 25,000 mi

Test annually after year 3. Most modern Mercedes carry a second auxiliary battery; a weak one triggers cascading warning messages long before a no-start. EQ models also depend on the 12V system to boot.

Estimated cost — typical U.S. ranges

Dealer

~$225–$390

Shop

~$160–$280

DIY

~$130–$250

Most auto-parts stores test and install batteries free with purchase. Skip the dealer markup.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

35 crashes 1990–2024

How the 35 occupant deaths break down

28

driver deaths

7

passenger deaths

35

occupant deaths

Crash years covered: 1990–2024 This model year first appears in 2006 crashes. Older models have had more years on the road to appear in these crashes, so a higher count here does not by itself mean a vehicle is less safe.

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

FARS 2024 data is an annual report file. NHTSA revises these records when the final file is published, so this count can change.

Why we show driver deaths too

Every vehicle has exactly one driver seat, so driver deaths line up fairly when you compare one model to another. Occupant deaths include passengers, so a three row SUV can show a higher number than a two seat car simply because it carries more people.

Both figures are plain counts, not rates. A rate would need to know how many of each vehicle are on the road, and that registration data is not public, so we do not publish rates or scores of any kind.

IIHS publishes driver death rates using this same driver only idea, paired with a registered vehicle years denominator we do not have. Their rates and these counts answer different questions, so do not read either number here as a safety rating.

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

18

complaints mentioning a crash

9

complaints mentioning a fire

Reviewed known issues for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2006 Mercedes-Benz E-Class reflects Mercedes-Benz's published service intervals and the ASSYST Plus (Service A / Service B) system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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